Excel Mental Maths

Mental Maths is the Maths we do in our heads without the use of calculators and without writing down the calculation. Mental Maths strategies are the ‘tricks’ we use to do Maths in our heads. There are different ways of finding the answer to any Mental Maths problem, and such strategies are the focus of this series.

Even though calculators and computers play an enormous role in the modern world, we still need to go back to the basics – we do need to know how to check that the sales as…